Top 500 General Science GK Questions
Optical Fiber works on the principle of
(A) Diffusion
(B) Refraction
(C) Total Internal Reflection
(D) Scattering
Correct Answer : C
Which of the following is an example of diffusion of gases?
(A) Perfume Smell
(B) Food aroma
(C) Fragrance of incense sticks
(D) All of the above
Correct Answer : D
Which of the following is an epidemic and endemic disease?
(A) polio
(B) measles
(C) Typhoid
(D) Cholera
Correct Answer : D
Explanation :
Cholera, caused by the bacterium Vibrio cholerae, can be both epidemic and endemic. Epidemic cholera refers to sudden outbreaks affecting large populations, often due to contaminated water. Endemic cholera signifies the continuous, stable presence of the disease in specific regions, indicating a persistent, albeit lower, level of infection over time.
Which vitamin among the following is crucial for blood clotting?
(A) Vitamin K
(B) Vitamin D
(C) Vitamin A
(D) Vitamin E
Correct Answer : A
The cathode rays can be deflected-
(A) Both electric and magnetic field
(B) Not by any field
(C) Only by electric field
(D) Only by magnetic field
Correct Answer : A
When a soap bubble is charged then-
(A) it does not undergo any change in size
(B) it contracts
(C) it expands
(D) None of these
Correct Answer : C
Zero degree centigrade is equal to what degree Fahrenheit?
(A) 100°F
(B) 30°F
(C) 34°F
(D) 32°F
Correct Answer : D
Which of the following is the third stage in the metamorphosis of a butterfly?
(A) Egg
(B) Pupa
(C) Adult
(D) Larva
Correct Answer : B
The first protocol to ban the emissions of chlorofluorocarbons in the atmosphere was made in
(A) Montreal
(B) Osaka
(C) Geneva
(D) Florida
Correct Answer : A
The size of the earth in the sequence of planets:
(A) Fifth
(B) Seventh
(C) Third
(D) Fourth
Correct Answer : A
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Rajesh Bhatia
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